Beverage mixing device



FIG. 1 is a perspective view of the beverage mixing device;

FIG. 2 is a front view thereof;

FIG, 3 is a top view thereof;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a bottom perspective view thereof.

The portion shown in dashed lines is shown for illustrative purposes only and forms no part of the claimed design. 

CLAIM The ornamental design for the beverage mixing device, as shown and described. 